The US. Department of Energy has released a CALiPER Snapshot Report on LED-based A Lamps

The DOE’s CALiPER testing program examined omni directional and A-lamp LED lighting available with the Lighting Facts Label. The report is both encouraging and in some ways disappointing. They found a wide range of variation in the available LED-based A lamps in terms of luminous intensity distribution, color quality, dimming, …

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